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  • Users: auba
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  1. auba

    wind load

    Hi friend, it depends how much line is elevated.. u go more up high the more willl be wind load and vice versa... btter include wind load and then check ur results... Thanks
  2. auba

    Minimum/Maximu pressure in a vessel

    Hi friend, my vessel will be underground and will be placed in canada... my vessel is actually having 3 psi of internal pressure.. still confusing whether to use asme codes or not.. Thanks
  3. auba

    Minimum/Maximu pressure in a vessel

    Hi friend, so if my pressure vessel internal pressure is below 15 psig then to design it which code i should use... i mean what about pd5500 ot BS codes.... Thanks
  4. auba

    Brinell Hrdness Number

    Hi friend, can anybody explain me... if a metrial having a brinell harnbess number of 197 and another material having brinell hardness number of 187... how to determine which material is strong... i mean which material will be going to have more ultimate tensile strength Thanks
  5. auba

    Minimum/Maximu pressure in a vessel

    Hi friends, i am cleared now for external pressure case as said in UG-28(f) ============================================== Vessels intended for service under external working pressures of 15 psi (0.1 MPa) and less [see U-1(c)(2)(h)] may be stamped with the Code Symbol denoting compliance with...
  6. auba

    Minimum/Maximu pressure in a vessel

    Hi friend, thanks for help....but in U-1 it says: ============================================== (h) vessels having an internal or external operating pressure (see 3-2) not exceeding 15 psi (100 kPa) with no limitation on size [see UG-28(f)]; ============================================= ?)...
  7. auba

    Minimum/Maximu pressure in a vessel

    Hi all, 1) can anybody tell me what minimum/maximum pressures in a vessel is treated by ASME SEC VIII. 2) what is the minimum pressure in a vessel to call it as a "pressure vessel"... Thanks
  8. auba

    Pipe Supported on Piles - Recommended?

    Dear Friends, I have a 26m long GRP pipe supported on 4 supports (pipe is also clamped on supports) at a distance of about 5-6 meters b/w them. The pipe is dipped in sea for sea water intake purposes. From stress analysis (using BS 7159 code) the laods are about 12,000 lbs horizontal and...
  9. auba

    Nozzle Openings in existing Manway

    Hi friend, i understood..... but i just want to know what asme cesc viii says on this situation.... moreover nozzle loads can be checked easily....using pvelite or any other software.... but...as you qouted.... Be careful to insure that the piping doesn't apply any additional loads on the...
  10. auba

    Nozzle Openings in existing Manway

    Dear Freinds, Do ASME SEC VIII recommends any openings in manway closing door/plate. I want to permanently close one existing manway and want to introduce two nozzle openings in its closing door. Are these openings recommended in SEC VIII. Any comments form your experience will be...
  11. auba

    Marine Growth Desnity

    Dear friends, all thanks for ur valuable comments. Thanks
  12. auba

    Marine Growth Desnity

    Hi friend, really very thankful.... but as you qouted: the specific weight of the marine growth in air may be set equal to 13 kN/m^3" <===== how can be marine growth is possible in air. It should be in sea... what u say? Thanks
  13. auba

    Marine Growth Desnity

    Dear friends, can anybody give me weblink or recommend me any value (if so what are basis) of marine growth density and thickness which i have to enter in caesar II for stress analysis.. i tried hard to search internet but could not find.. can somebody help... Thanks
  14. auba

    Marine Growth Desnity

    Dear friends, can anybody give me weblink or recommend me any value (if so what are basis) of marine growth density which i have to enter in caesar II for stress analysis.. i tried hard to search internet but could not find.. can somebody help... Thanks
  15. auba

    Difference between WRC 107/297

    Good Day friend, I want to know in what conditions WRC 107/297 is different. I know WRC 107 is only to computes stresses in the vessel and WRC 297 for computing the stresses in the nozzle and the vessel. But which is the best method to anlyze nozzle loadings. What is the critera for...
  16. auba

    GRP Pipe fittings

    Hi friends, thaks for your comments...... the pipingdesigner link was excellent... so, pipingdesigner i have one question now...the link u give me has frp fiitings dimenions.. can i use it for GRP tooo..... if so why?.... since FRP and GRP ocmpletely two separate things... Thanks
  17. auba

    GRP Pipe fittings

    Dear Friends, can anybody know any website from where i can have GRP pipe fittings deimensions and weights (specially). i am able to get GRP pipe fitting dimenions from FLOWTITE catalog (limited to only flanges, tees and elbows)....but could not able to find weights of the fittings.. Any help...
  18. auba

    pump discharge

    Hi, is easy... use soil modeller and create soil model by entering soil data.... next aplly soil model to the nodes which are buried.. is all Thanks
  19. auba

    SUction and Discharge Nozzle stresses

    Hi friend, ok thanks i read... the point F.1.2.b in api says: The resultant applied force (FRSA, FRDA) and the resultant applied moment (MRSA, MRDA) acting on >>>>> each pump nozzle <<<<< flange shall satisfy the appropriate interaction equations below. i understood all.. Both nozzle loadings...
  20. auba

    SUction and Discharge Nozzle stresses

    Hi, thanks for comments....but the point which i want to make sure is: Do suction nozzle loads effect dischrage nozzle loads. Should we consider only single nozzle (suction or dischrge) loadings for anlysis or both. Thanks

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